DownloadPortmaster is a free and open-source application firewall that does the heavy lifting for you. Restore privacy and take back control over all your computer's network activity.
With great defaults your privacy improves without any effort. And if you want to configure and control everything down to the last detail - Portmaster has you covered too. Developed in the EU 🇪🇺, Austria.
Features
- Monitor All Network Activity
- Auto-Block Trackers & Malware
- Secure Your DNS by Default
- Create Your Own Rules
- Set Global & per‑App Settings
Project Samples
License
Other License, Affero GNU Public License
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